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210220220212201 = 1380031152330071
BaseRepresentation
bin101111110011000110110101…
…100011001110001111101001
31000120022212010121001012111101
4233303012311203032033221
5210023222002333242301
62023033500322001401
762164624012622113
oct5763066543161751
91016285117035441
10210220220212201
1160a89992975241
121b6b21064a6261
13903b8b2924374
1439ca9da4803b3
15194849c6c0701
hexbf31b58ce3e9

210220220212201 has 4 divisors (see below), whose sum is σ = 210220373922304. Its totient is φ = 210220066502100.

The previous prime is 210220220212193. The next prime is 210220220212253. The reversal of 210220220212201 is 102212022022012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210220220212201 - 23 = 210220220212193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220220212801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74785005 + ... + 77545066.

It is an arithmetic number, because the mean of its divisors is an integer number (52555093480576).

Almost surely, 2210220220212201 is an apocalyptic number.

It is an amenable number.

210220220212201 is a deficient number, since it is larger than the sum of its proper divisors (153710103).

210220220212201 is a wasteful number, since it uses less digits than its factorization.

210220220212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153710102.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210220220212201 its reverse (102212022022012), we get a palindrome (312432242234213).

The spelling of 210220220212201 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty million, two hundred twelve thousand, two hundred one".

Divisors: 1 1380031 152330071 210220220212201